Organic Chemistry Definitions

Question 0

Structural Formula

Answer 0

Formula that shows relative positions of the atoms in a molecule

E.g propane =CH3CH(OH)CH3

Question 1

Homologous series

Answer 1

Series of compounds with the same functional group, general formula and each member differs from the next by a CH2 group

Question 2

Displayed formula

Answer 2

All of the atoms and bonds are shown

Question 3

Skeletal formula

Answer 3

Carbons shown by zigzag lines. Each end of a line and angle represents a carbon atom

Question 4

Homolytic fission

Answer 4

Bond breaks and one electron goes to each atom

Question 5

Heterolytic fission

Answer 5

Bond breaks and two electrons go to one atom resulting in +ve and -ve charged ions

Question 6

Substitution

Answer 6

When an atom or group of atoms is replaced by another atom or groups of atoms

Question 7

Addition

Answer 7

When two molecules react together to form a single product

Question 8

Free radical

Answer 8

Species that has a single unpaired electron

Question 9

Electrophile

Answer 9

Species that seeks out electron dense areas and accepts electrons

Question 10

Isomers

Answer 10

Tow or more compound with the same molecular formula

Question 11

Geometric isomers

Answer 11

When there is a C=C in the molecule with two different groups attached to each carbon